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[9.x] Add "snakecase" validation rule #45348

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[9.x] Add "snakecase" validation rule #45348

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13 changes: 13 additions & 0 deletions src/Illuminate/Validation/Concerns/ValidatesAttributes.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1196,6 +1196,19 @@ public function validateUppercase($attribute, $value, $parameters)
return Str::upper($value) === $value;
}

/**
* Validate that an attribute is snakecase.
*
* @param string $attribute
* @param mixed $value
* @param array<int, int|string> $parameters
* @return bool
*/
public function validateSnakecase($attribute, $value, $parameters)
{
return Str::snake($value) === $value;
}

/**
* Validate the MIME type of a file is an image MIME type.
*
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36 changes: 36 additions & 0 deletions tests/Validation/ValidationValidatorTest.php
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Expand Up @@ -1857,6 +1857,42 @@ public function testUppercase()
], $v->messages()->keys());
}

public function testSnakecase()
{
$trans = $this->getIlluminateArrayTranslator();
$v = new Validator($trans, [
'lower' => 'lowercase',
'mixed' => 'MixedCase',
'upper' => 'UPPERCASE',
'lower_multibyte' => 'carácter_multibyte',
'mixed_multibyte' => 'carÁcter_multibyte',
'upper_multibyte' => 'CARÁCTER_MULTIBYTE',
'lower_multibyte_space' => 'carácter multibyte',
'mixed_multibyte_space' => 'carÁcter multibyte',
'upper_multibyte_space' => 'CARÁCTER MULTIBYTE',
], [
'lower' => 'snakecase',
'mixed' => 'snakecase',
'upper' => 'snakecase',
'lower_multibyte' => 'snakecase',
'mixed_multibyte' => 'snakecase',
'upper_multibyte' => 'snakecase',
'lower_multibyte_space' => 'snakecase',
'mixed_multibyte_space' => 'snakecase',
'upper_multibyte_space' => 'snakecase',
]);

$this->assertSame([
'mixed',
'upper',
'mixed_multibyte',
'upper_multibyte',
'lower_multibyte_space',
'mixed_multibyte_space',
'upper_multibyte_space',
], $v->messages()->keys());
}

public function testLessThan()
{
$trans = $this->getIlluminateArrayTranslator();
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